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High Mixing Entropy Enhanced Energy States in Metallic Glasses

         

摘要

Owing to the nonequilibrium nature,the energy state of metallic glasses(MGs)can vary a lot and has a critical influence on the physical properties.Exploring new methods to modulate the energy state of glasses and studying its relationship with properties have attracted great interests.Herein,we systematically investigate the energy state,mixing entropy and physical properties of Zr–Ti–Cu–Ni–Be multicomponent high entropy MGs by experiments and simulations.We find that the energy state increases along with the increase of mixing entropy.The yield strength and thermal stability of MGs are also enhanced by high mixing entropy.These results may open a new door on regulation of energy states and thus physical properties of MGs.

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